Gizmodo is showing a brief video and a paragraph or two about the differences between Variable Lens Shift and Digital Keystone Correction, however, despite its brevity it is very to the point and covers what needs to be known. While it is widely known that the benefits of a variable lens shift outweigh digital keystone correction, it’s very rarely explained why. Now that lens shift is available on plenty of sub-$3000 projectors and with the holiday shopping season starting up, this is valuable information for anyone looking for a home cinema projector. For those of you who are wondering, the projector they show in the video is the Panasonic PT-AX100U, which has a horizontal lens shift of +/-25% and a vertical lens shift of +/- 63%.

[Read Projector Thunderdome: Variable Lens Shifting vs Keystone Correction]

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